Home / 898,810,647,211.73-1,240,492,992,449.30-707,561,975,643.81

Finding the Fourth Proportional to 898,810,647,211.73, 1,240,492,992,449.30 and 707,561,975,643.81

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Solution

The fourth proportional to 898,810,647,211.73, 1,240,492,992,449.30 and 707,561,975,643.81 is: 976,541,249,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,810,647,211.73 : 1,240,492,992,449.30 = 707,561,975,643.81 : x
  2. Step 2: Convert to fraction form
    898,810,647,211.73/1,240,492,992,449.30 = 707,561,975,643.81/x
  3. Step 3: Cross multiply
    898,810,647,211.73x = 1,240,492,992,449.30 × 707,561,975,643.81
  4. Step 4: Simplify right side
    898,810,647,211.73x = 877,725,672,509,728,708,624,384
  5. Step 5: Solve for x
    x = 877,725,672,509,728,708,624,384/898,810,647,211.73
  6. Step 6: Final answer
    x = 976,541,249,519.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.